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Jib Crane Models
The trolley hoist on a horizontal load-bearing boom are key features on Jib cranes. The boom is secured to a vertical mast that measures up to twenty feet long. Jib cranes are able to transport loads between any areas within the boom's arc of rotation. Light duty units are used inside warehouses and factories for loads weighing up to 5 tons. The BestJibCranes.com web site showcases the major kinds of jib cranes as being either free-standing, wall-mounted or mast mounted.
Free Standing
Free-standing jib cranes could stand alone not needing support from the building structure. The horizontal boom in this case is connected to a pivoting vertical column which is firmly anchored to the building floor. This kind of jib crane needs a foundation made of either concrete or steel and can rotate a full 360 degrees.
Mast-Type
The vertical column on the mast-type jib cranes are supported by pivot points at the bottom and the top. These pivots are connected to the building floor and the overhead steel structure. These jib-cranes provide three hundred sixty degrees of rotation with the advantage of not needing the massive foundation required for free-standing units.
Wall Mounted
The wall-mounted jib cranes provide a horizontal boom that is attached to the building wall as opposed to the normal vertical column. These equipments are great in places where the full 360 degree rotation is not required and offer up to two hundred degrees of rotation.
Depending on how the boom is supported, there are two model varieties. One type uses a tie rod from above the boom which is attached to the wall. The other type supports the boom from below by using a cantilever brace that is also attached to the wall.
To recover heavy things or to transport materials to places and areas that are not normally accessible, boom trucks will utilize a winch. For instance, they are usually used maneuvering materials over a ditch or to a hillside or to reach the top of a building.
Larger trucks are outfitted with a boom winch which is mounted in the bed of a truck. It is capable of transporting construction items and other equipment from the side of the street to a particular place. There is one more boom truck configuration that is equipped with a cherry picker. This model enables arborists to access treetops easily.
The Vehicle
Terex's Stinger BT 3063 model has a reach of 113-feet and is outfitted with both stabilizers and outriggers. A boom truck can vary from an aerial work platform which is moved by a hydraulic lifting device which is mounted on the bed, up to a Class 8 tractor-trailer rig with a bucket. It is also possible to have a modified boom lift made for a particular buyer's needs.
Cherry Picker
Cherry pickers are bucket trucks that could lift employees to great heights. Normally, cherry pickers or buckets move workers from the ground up to high areas such as treetops, the sides of a building, for fire department and firefighting or up utility poles.
Location
The boom platform can be operated by remote from the truck'[s cab. Either the boom is mounted on the bed of a big truck or on a separate trailer. Bigger booms need outriggers which extend horizontally from the truck in order to level out and stabilize the crane throughout its use.
Controls
This type of boom truck has a cab-over-engine that has a control cluster which can move the boom from inside the cab. It is often a panel in the boom itself on the side of the bed.
